Tie knot



FIG. 1 is a perspective view of a tie knot showing my new design, the broken line showing of a portion of a tie is for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a side elevational view thereof. 

The ornamental design for tie knot, as shown and described. 